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M6.7 earthquake, Costa Rica, 1952-09-09

MagnitudeM6.7mw

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Depth15 km

Time (UTC)1952-09-09 12:54

Rank in 195217 / 166among M6+

Rank since 19003129 / 14,458

Energy vs an M6×11approx.

49 km S of Quepos, Costa Rica · 8.98, -84.23

M6.5+ within 300 km (largest first)

1991 M7.6M7.6

2012 M7.6M7.6

1939 M7.6M7.6

1934 M7.5M7.5

1950 M7.5M7.5

1941 M7.5M7.5

1990 M7.3M7.3

1904 M7.3M7.3

1904 M7.2M7.2

1900 M7.2M7.2

1962 M7.2M7.2

1916 M7.1M7.1

Earlier M6+ within 300 km

Event	Time (UTC)	Depth	Place
M6.4 1952-05-13	1952-05-13 19:31	35 km	6 km NNW of Nandayure, Costa Rica
M7.5 1950-10-05	1950-10-05 16:09	98 km	Costa Rica
M6.1 1949-11-13	1949-11-13 04:42	25 km	12 km WNW of Sardinal, Costa Rica
M6.1 1949-08-18	1949-08-18 13:33	35 km	10 km WNW of Finca Blanco, Panama
M6.3 1948-11-19	1948-11-19 01:04	25 km	9 km NW of San Isidro, Costa Rica
M6.5 1945-06-03	1945-06-03 13:05	34 km	3 km SW of Santo Tomás, Panama
M6.9 1941-12-06	1941-12-06 21:24	15 km	112 km SSW of Quepos, Costa Rica
M6.0 1941-12-06	1941-12-06 01:25	15 km	10 km S of San José, Costa Rica
M7.5 1941-12-05	1941-12-05 20:47	20 km	70 km WSW of Golfito, Costa Rica
M6.7 1940-10-27	1940-10-27 05:35	35 km	8 km SW of Parrita, Costa Rica

Energy ratio uses the rule that one magnitude unit is about 32 times the energy. Magnitudes and locations are USGS values and can differ from national agencies. Older records are less complete and less precise.